United Therapeutics' Tyvaso Succeeds in Key Study for Lung Disease, Shares Surge
Sep 2, 2025
United Therapeutics Corporation announced that its TETON-2 clinical trial of nebulized Tyvaso (treprostinil) met its main goal in treating idiopathic pulmonary fibrosis (IPF), a serious lung disease.
The trial showed that Tyvaso improved lung function, measured by forced vital capacity (FVC), compared to placebo. This improvement was seen over a 52-week period.
After the news was released, United Therapeutics' shares surged by over 35% in trading, reflecting investor optimism about the results.
What is idiopathic pulmonary fibrosis (IPF)?
IPF is a lung disease that causes scarring of the lungs, making it difficult to breathe and reducing lung function over time.
What does Tyvaso do?
Tyvaso is an inhaled medicine designed to improve lung function in people with certain lung diseases.
Why did United Therapeutics' stock price go up?
The stock rose sharply because the successful trial results increased optimism about Tyvaso's prospects as a treatment for IPF.
Sources
United Therapeutics Corporation Announces TETON-2 Pivotal Study of Tyvaso® Meets...
Business Wire
Business Wire
SILVER SPRING, Md. & RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)--United Therapeutics Corporation (Nasdaq: UTHR), a public benefit corporation, today announced that its TETON-2 study evaluating the use of nebulized Tyvaso® (treprostinil) Inhalation Solution for the treatment of idiopathic pulmonar...
United Therapeutics shares surge on successful late-stage lung disease study
Reuters
Reuters
Shares of United Therapeutics surged over 42% in premarket trading on Tuesday after its lung disease treatment, treprostinil, met the main goal in a late stage study.
United Therapeutics surges as Tyvaso succeeds in IPF trial: should you invest?
Invezz
Invezz
Shares of United Therapeutics jumped nearly 40% on Tuesday's opening trade after the company reported its inhaled lung therapy Tyvaso met the main goal in a late-stage study for idiopathic pulmonary fibrosis (IPF).
Why Is United Therapeutics Stock Rallying On Tuesday?
Benzinga
Benzinga
United Therapeutics Corporation UTHR released data on Tuesday from its TETON-2 study evaluating the use of nebulized Tyvaso (treprostinil) Inhalation Solution for idiopathic pulmonary fibrosis (IPF).
United Therapeutics shares jump on positive lung disease study results
Proactive Investors
Proactive Investors
United Therapeutics Corporation (NASDAQ:UTHR) shares surged more than 35% following the release of positive late-stage clinical trial results for its lung disease drug Tyvaso. The company said its TETON-2 study evaluating nebulized Tyvaso in patients with idiopathic pulmonary fibrosis (IPF) met its...
United Therapeutics: Is UTHR Stock Still A Buy At $400?
Forbes
Forbes
United Therapeutics' stock (NASDAQ: UTHR) surged 33% on September 2nd after the company announced positive late-stage clinical trial results for Tyvaso (treprostinil) Inhalation Solution in idiopathic pulmonary fibrosis (IPF). The trial met its primary endpoint, and the treatment showed good tolerab...
UTHR Stock Hits Record High on Tyvaso Meeting IPF Study Goals
Zacks Investment Research
Zacks Investment Research
United Therapeutics hit a record high after its Tyvaso study in idiopathic pulmonary fibrosis met key goals and showed broad patient benefits.
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